--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5949051915 dns-udp-queries-received-ipv6: 1187040406 dns-tcp-queries-received-ipv4: 604854435 dns-tcp-queries-received-ipv6: 137968346 dns-udp-responses-sent-ipv4: 4522591094 dns-udp-responses-sent-ipv6: 1032460076 dns-tcp-responses-sent-ipv4: 505529493 dns-tcp-responses-sent-ipv6: 135166026